Hi Marco,
Could the tutorial be wrong at this point? Shouldn't it be
"inventory/snack/chips/@supplier"?
Your workaround, '\@', does not seem to select the supplier attribute.
Carsten
On 10-1-2010 18:00, Marco Roos wrote:
Dear all,
I am trying one of the examples on this page:
http://www.tizag.com/xmlTutorial/xpathattribute.php
The t2 workflow is attached. The workflow gives an error document that
ends with:
Invalid XPath expression: inventory/snack/ch...@supplier Unexpected '@'
I was able to correct this by placing a '\' before the @ symbol,
because I remembered that such a thing would be needed in java too.
Would it be possible to remove these Java peculiarities from the use
of String constants in Taverna? Or at least point this out to users
when they get an error (with a link to a help page perhaps)? Ideally,
workflows should not show that Taverna is java-based, should it?
Thanks,
Marco.
--
Marco Roos (PhD) <http://home.medewerker.uva.nl/m.roos1>
*BioSemantics group* <http://www.biosemantics.nl>, Human Genetics
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